The Canon Macrolite Adapter 67 attaches MR-14EX Macro Ring Light to most 67mm filter size lenses including the Canon 100mm f2.8L Series Macro Lens.
Wanderlust by Camera Electronic
The Canon Macrolite Adapter 67 attaches MR-14EX Macro Ring Light to most 67mm filter size lenses including the Canon 100mm f2.8L Series Macro Lens.